CN118301260A

CN118301260A - Quick drawing system and application method

Info

Publication number: CN118301260A
Application number: CN202410328751.XA
Authority: CN
Inventors: 黎书堂; 张科凡
Original assignee: Huizhou Desay SV Automotive Co Ltd
Current assignee: Huizhou Desay SV Automotive Co Ltd
Priority date: 2024-03-21
Filing date: 2024-03-21
Publication date: 2024-07-05

Abstract

The application provides a rapid plotting system and an application method; the quick graphic system comprises an MCU module, a display module and a plurality of camera modules, wherein each camera module is provided with a corresponding transmission link; the MCU module is used for controlling the transmission link and the camera module to finish power-on and initialization after the initialization is finished; the camera module is used for collecting image signals in real time after initialization is completed, and sending the image signals to the display module for display through the corresponding transmission link. The application can complete the related initialization process in a very short time, thereby greatly shortening the time for displaying the image signals by the display module, avoiding waiting of a driver and improving driving experience; and even if the SOC module is abnormal, each path of image signals can be ensured to be normally output to the display module.

Description

Quick drawing system and application method

Technical Field

The application relates to the technical field of vehicle-mounted display, in particular to a rapid drawing system and an application method.

Background

Nowadays, automobiles are commonly provided with display screens, and the display screens have diversified functions, such as GPS navigation, music playing, game entertainment, real-time information and parameter display of the automobiles, information display of surrounding environments of the automobiles and the like; in these functions, the display of the environmental information around the vehicle requires a high time for the display screen to be displayed, so as to ensure that the driver can acquire the environmental information timely and accurately, thereby making appropriate driving decisions and coping with operations.

However, the existing display screen graphic scheme generally needs the MCU module and the SOC module to cooperate with each other, which results in longer configuration time and data transmission link of the camera, and further results in relatively slower graphic time of the display screen, and poor driving experience of the driver.

Disclosure of Invention

The application provides a rapid plotting system and an application method, which are used for solving the technical problem of slow plotting speed caused by adopting an MCU module and an SOC module to finish plotting of a display screen in the prior art.

Specifically, the application provides a rapid plotting system which at least comprises an MCU module, a display module, a plurality of camera modules and transmission links respectively corresponding to the camera modules.

And the MCU module is used for controlling the transmission link and the camera module to finish power-on and initialization after the initialization is finished.

The camera module is used for collecting image signals in real time after initialization is completed, and sending the image signals to the display module for display through a corresponding transmission link.

In the technical scheme, the MCU module is used for configuring the camera module and the related links, so that the related initialization process can be completed in a very short time, which is incomparable with the SOC module, thereby greatly shortening the time for displaying the image signals acquired by the camera module by the display module, avoiding waiting of a driver and improving driving experience; and even if the SOC module is abnormal, the image signals of each path of camera module can be ensured to be normally output to the display module.

It should be noted that, the architecture of the MCU module is relatively simplified, and the MCU module can complete the initialization process in a very short time, has a low system load, and can rapidly process real-time tasks; in contrast, the SOC module is a more comprehensive integrated circuit, and the initialization time required for the SOC is longer; in addition, in the prior art, a mode of matching the MCU module and the SOC module is generally adopted, so that the configuration time is further prolonged, a data transmission link is more complicated, and the time for outputting image signals by a display screen is further prolonged.

Further, each transmission link at least comprises a camera power supply and communication module, or shares one camera power supply and communication module; and each transmission link at least comprises a video stream forwarding module or shares a video stream forwarding module.

In the above technical solution, the transmission link has a plurality of combinations, and a person skilled in the art can determine the optimal configuration mode according to the requirements of the specific application scenario.

Further, the system also comprises an external battery, an MCU power module, a camera power module and at least one power switch module.

In the technical scheme, the MCU power supply module and the camera power supply module can ensure that the MCU module and each camera module can be stably powered; the power switch module can be correspondingly configured according to the combination mode of the transmission link, so that the power switch module is flexible.

In addition, these different power modules and switch modules can be conveniently integrated into the system by proper design and layout, which makes the system structure clearer and convenient for maintenance and debugging.

Further, one end of the MCU power supply module is connected with an external battery, and the other end of the MCU power supply module is connected with the MCU module.

The MCU power supply module is used for powering up the MCU module in response to a preset signal and controlling the MCU module to finish initialization; wherein, the preset signal at least comprises a vehicle body ignition signal.

In the technical scheme, the MCU power supply module responds to the ignition signal of the vehicle body, so that the MCU module can be rapidly powered and initialized, the system starting time can be greatly shortened, and the waiting time of a user is shortened; the MCU power supply module supplies power to the MCU module only when receiving a preset signal, which means that the MCU module does not continuously consume energy when the vehicle is not ignited or is in a dormant state, thereby saving energy and prolonging the service life of a battery; the MCU power supply module can ensure that the MCU module receives power supply at the right moment and ensures normal starting and working, thus improving the reliability and stability of the system.

Furthermore, one end of the camera power supply module is connected with the external battery and the MCU module, and the other end of the camera power supply module is connected with the power switch module.

In the technical scheme, the camera power supply module can realize flexible power supply control of the camera module and related links by being connected to the power switch module; by using the camera power module, the circuit design of the system can be simplified, and the camera module and the power control of related links are concentrated in one module, so that the power supply and management of the whole system are more convenient and controllable.

Furthermore, the MCU module is further used for controlling the camera power supply module to finish initialization so as to switch on the power switch module, so that the video stream forwarding module and the camera power supply and communication modules finish power-on.

In the technical scheme, the MCU module plays a role of a control center, and the power supply and communication of the video stream forwarding module and each camera module can be centrally managed and controlled by controlling the initialization of the camera power supply module and the electrifying of the power switch module, so that the normal operation of the whole system is ensured.

Further, the camera power supply and communication module is used for receiving the image signals collected by the camera module, converting the image signals into video stream signals and sending the video stream signals to the video stream forwarding module.

In the technical scheme, the camera power supply and communication module can receive the image signals collected by the camera module and perform necessary processing and conversion so as to provide clearer and more accurate video stream signals; the camera power supply and communication module can rapidly convert the image signals acquired by the camera module into video stream signals and send the video stream signals to the video stream forwarding module through receiving and processing the video signals in real time, and the real-time video transmission display is facilitated.

In addition, the transmission of the video stream signal can be realized through various communication protocols and media, and the video data can be transmitted more stably and efficiently, so that the propagation and processing of the video stream in the system are ensured.

Further, the video stream forwarding module is configured to send the video stream signal to a display module, so that the display module displays the video stream signal in a preset display form according to user interaction operation; the preset display form at least comprises split screen display, switching display or linkage display.

In the technical scheme, the video stream forwarding module can realize simultaneous display of multiple paths of video streams through a preset display mode (such as split screen display, switching display or linkage display), so that a user can watch multiple video sources at the same time or flexibly switch different video sources according to the current driving scene.

In addition, the video stream forwarding module can process and optimize video signals according to a preset display form, and a better display effect is provided; for example, for split-screen display, different video sources are respectively displayed in different areas of a screen, so that each video source can obtain a sufficient display space; for switching display, seamless switching can be realized; for linkage display, the most suitable camera image can be automatically selected and displayed according to the actual requirement of the vehicle.

Based on the same conception, the application also provides an application method of the quick graphic system, which is applied to the quick graphic system and comprises the following steps:

And responding to an initialization completion signal of the MCU module, and controlling each camera module and a corresponding transmission link thereof to complete power-on and initialization through the MCU module.

And acquiring image signals in real time through the camera module, and sending the image signals to a display module for display through a corresponding transmission link.

In the technical scheme, the application method utilizes the MCU module to control the powering-on and initialization of the camera module and the transmission link in the quick drawing system, and the system can quickly start and start the image acquisition and transmission process by quickly completing the powering-on and initialization, so that the requirement of quick drawing is met; the transmission link adopts a camera power supply and communication module, so that the transmission of video streams is effectively controlled, the rapid transmission and real-time display of image signals can be ensured by optimizing the design and configuration of the transmission link, and the efficiency and quality of image transmission are improved.

Further, each transmission link at least comprises a camera power supply and communication module, or shares one camera power supply and communication module; each transmission link at least comprises a video stream forwarding module or shares a video stream forwarding module; the sending the image signal to a display module for display through a corresponding transmission link includes:

And converting the image signal into a video stream signal through the camera power supply and communication module, and sending the video stream signal to a video stream forwarding module.

The video stream signal is sent to a display module through the video stream forwarding module, so that the video stream signal is displayed in a preset display form through the display module according to user interaction operation; the preset display form at least comprises split screen display, switching display or linkage display.

In the technical scheme, high-quality image transmission and display can be realized through the image signal conversion of the camera power supply and communication module and the processing of the video stream forwarding module, so that clear and stable image display effect can be provided, and the visual experience of a user can be improved; through preset display forms, such as split screen display, switching display or linkage display, a user can watch a plurality of video sources at the same time or flexibly switch different video sources according to the current driving scene; the rapid and instant image processing and displaying can be realized through the processing of the video stream forwarding module and the displaying operation of the displaying module, which is very important for the image display in real-time application scenes such as a vehicle-mounted intelligent driving domain controller system.

Compared with the prior art, the application has the beneficial effects that:

The quick graphic system comprises an MCU module, a display module and a plurality of camera modules, wherein each camera module is provided with a corresponding transmission link; the MCU module is used for controlling the transmission link and the camera module to finish power-on and initialization after the initialization is finished; the camera module is used for collecting image signals in real time after initialization is completed, and sending the image signals to the display module for display through a corresponding transmission link. The MCU module is used for configuring the camera module and the related links, and the related initialization process can be completed in a very short time, so that the time for displaying the image signals acquired by the camera module by the display module is greatly shortened, waiting of a driver is avoided, and driving experience is improved; and even if the SOC module is abnormal, the image signals of each path of camera module can be ensured to be normally output to the display module.

Drawings

Fig. 1 is a frame diagram of a quick mapping system according to an embodiment.

Fig. 2 is a frame diagram of a quick mapping system according to a second embodiment.

Fig. 3 is a frame diagram of a quick mapping system according to a third embodiment.

Fig. 4 is a frame diagram of a quick mapping system according to a fourth embodiment.

Fig. 5 is a flowchart of an application method applied to the rapid prototyping system shown in fig. 1,2, 3 or 4.

Detailed Description

The application provides a rapid plotting system and an application method, which are used for solving the technical problem of slow plotting speed caused by the fact that a display screen is plotted by adopting an MCU module and an SOC module to match in the prior art.

The following describes a rapid prototyping system and method of application of the present application in further detail with reference to specific embodiments and figures.

Embodiment one:

Referring to fig. 1, the present application provides a fast mapping system, which at least includes an MCU module, a display module, a plurality of camera modules, and transmission links corresponding to the camera modules respectively.

In this embodiment, the camera modules may be a front view camera module, a rear view camera module, a side view camera module, and a surround view camera module, respectively.

For example, camera module 1 is a front view and rear view camera module, camera module 2 is a side view camera module, and camera module 3 is a pan around camera module; the camera module N can be extended according to actual requirements by a person skilled in the art.

The MCU module is used for controlling the transmission link and the camera module to finish power-on and initialization after the initialization is finished; each transmission link at least comprises a camera power supply and communication module or shares one camera power supply and communication module; and each transmission link at least comprises a video stream forwarding module or shares a video stream forwarding module.

In this embodiment, each of the transmission links includes at least a camera power supply and communication module, and each of the transmission links shares a video stream forwarding module. That is, a camera power supply and communication module and the video stream forwarding module are a transmission link, but all transmission links commonly use the same video stream forwarding module.

In this embodiment, each camera power supply and communication module and the video stream forwarding module correspond to one power switch module respectively; referring to fig. 1, for convenience of explanation, the power switch modules are divided into a first power switch module and a second power switch module, so that the camera power supply and communication module 1, the camera power supply and communication module 2, the camera power supply and communication module N correspond to the second power switch module 1, the second power switch module 2, the third power switch module N, and the video stream forwarding module corresponds to the first power switch module.

In the technical scheme, the MCU power supply module and the camera power supply module can ensure that the MCU module and each camera module can be stably powered; the first power switch module and the second power switch module are used for flexibly controlling the power supply of each part.

In this embodiment, when the MCU power module receives the vehicle body ignition signal, the MCU power module outputs a corresponding power to the MCU module according to the power demand of the MCU module.

The MCU module is powered on and initialized after receiving the power supply, and the initialization of the MCU module at least comprises clock and time sequence initialization, peripheral initialization, interface and bus initialization and the like; wherein the peripheral initialization is for example the initialization of a communication interface.

In addition, it should be noted that the preset signal may be, in addition to the vehicle body ignition signal, a parking signal, a reversing signal, or the like, so that the subsequent display screen may display the video stream signal in different display forms according to the preset signal received in this step.

Further, camera power module one end is connected external battery with MCU module, the other end inserts respectively second switch module 1, second switch module 2, &..

In the technical scheme, the camera power supply module can realize flexible power supply control of the camera module and related links by being connected to the first power supply switch module and each second power supply switch module; by using the camera power module, the circuit design of the system can be simplified, and the camera module and the power control of related links are concentrated in one module, so that the power supply and management of the whole system are more convenient and controllable.

Furthermore, the MCU module is further used for controlling the camera power supply module to finish initialization so as to switch on the first power supply switch module and each second power supply switch module, so that the video stream forwarding module and each camera power supply and communication module finish power-on.

In this embodiment, after the initialization is completed, the MCU preferably controls the initialization of the camera power module through the I2C bus, and by sending related instructions and configuration data to the camera power module, the MCU module may control the working state of the camera power module.

Further, the MCU module continuously initializes the camera power supply and communication module and each camera module through the I2C bus; the MCU module sends corresponding configuration data to the modules according to a protocol and an instruction set provided by a camera module provider so as to finish initialization of the modules, and meanwhile, the camera power module is powered on to the modules such as the camera modules, the video stream forwarding module and the like.

In the technical scheme, the MCU module plays a role of a control center, and the power supply and communication of the video stream forwarding module and each camera module can be managed and controlled in a centralized manner by controlling the initialization of the camera power supply module and the energization of the first power switch module and each second power switch module, so that the normal operation of the whole system is ensured.

Further, the camera power supply and communication module is used for receiving the image signals collected by the corresponding camera module, converting the image signals into video stream signals and sending the video stream signals to the video stream forwarding module.

In this embodiment, after the camera module completes initialization, the camera module starts to collect image signals of surrounding environment, and transmits the collected image signals back to the camera power supply and communication module through the interface.

The camera power supply and communication module converts the image signal into a video stream signal, wherein the operations such as image compression, resolution adjustment and/or format conversion are involved; the converted video stream signal is sent to the video stream forwarding module through a preset communication protocol (such as ethernet, wireless network, etc.).

It should be noted that, the interface for transmitting the image signal is not limited herein, and those skilled in the art may select and configure according to actual application requirements.

In this embodiment, the video stream forwarding module forwards the video stream signal to the display module in real time after receiving the video stream signal, where the video stream signal is preferably transmitted by using a coaxial line.

The coaxial line has higher bandwidth, can support high-quality video stream transmission, has good anti-interference performance and can effectively reduce signal interference and distortion, thereby providing more stable and high-quality video transmission; in addition, the coaxial cable is one of conventional video transmission media, is relatively simple and low in cost in terms of installation and maintenance, and is high in compatibility.

In addition, the video stream forwarding module can process and optimize video signals according to a preset display form, and a better display effect is provided; for example, for split-screen display, different video sources are respectively displayed in different areas of a screen, so that each video source can obtain a sufficient display space; for switching display, seamless switching can be realized, for example, images of front-view cameras, rear-view cameras, side-view cameras or around-view cameras are selected to be displayed through touch control of a display module; for linkage display, the most suitable camera image can be automatically selected and displayed according to the actual requirement of the vehicle, for example, when a preset signal received at the beginning is a reversing signal, the system can automatically display the image of the rearview camera so as to help a driver to reverse.

Embodiment two:

Referring to fig. 2, the present application also provides a second combination of transmission links.

In this embodiment, each of the transmission links includes at least a video stream forwarding module, and the transmission links share a camera power supply and communication module.

At this time, each camera power supply and communication module and the video stream forwarding module correspond to one power switch module respectively; the video stream forwarding module 1, the video stream forwarding module 2, the video stream forwarding module N correspond to the first power switch module 1, the first power switch module 2, the first power switch module N, and the camera power supply and communication module corresponds to the second power switch module.

Further, in this embodiment, the other end of the camera power module is respectively connected to the first power switch module 1, the first power switch module 2, the first power switch module N and the second power switch module.

Further, the connection manner and the signal interaction manner of the other modules are the same as those of the first embodiment, and are not described herein. After the video stream forwarding module and the camera power supply and communication module finish power-on, the camera power supply and communication module receives image signals collected by all the camera modules and converts the image signals into video stream signals so as to send the video stream signals to the video stream forwarding modules corresponding to the camera modules according to signal sources.

Embodiment III:

Referring to fig. 3, the present application further provides a third combination of transmission links.

In this embodiment, each of the transmission links shares a video stream forwarding module, and a camera power supply and communication module.

At this time, the video stream forwarding module and the camera power supply and communication module correspond to the power switch module 1 and the power switch module 2 respectively.

Further, in this embodiment, the other end of the camera power module is connected to the power switch module 1 and the power switch module 2 respectively.

Further, the connection manner and the signal interaction manner of the other modules are the same as those of the first embodiment, and are not described herein. After the video stream forwarding module and the camera power supply and communication module finish power-on, the camera power supply and communication module receives image signals collected by all the camera modules and converts the image signals into video stream signals so as to send the video stream signals to the video stream forwarding module.

Embodiment four:

referring to fig. 4, the present application further provides a fourth combination of transmission links.

In this embodiment, each of the transmission links includes at least a video stream forwarding module and a camera power supply and communication module.

At this time, the camera power supply and communication module 1, the camera power supply and communication module 2, and the camera power supply and communication module N are respectively corresponding to the second power switch module 1, the second power switch module 2, the third and the second power switch modules N, and the video stream forwarding module 1, the video stream forwarding module 2, the third and the video stream forwarding modules N are respectively corresponding to the first power switch module 1, the first power switch module 2, the third and the first power switch module N.

Further, in this embodiment, the other end of the camera power module is respectively connected to the first power switch module 1, the first power switch module 2, the first power switch module N, the second power switch module 1, the second power switch module 2, the second power switch module N.

Further, the connection manner and the signal interaction manner of the other modules are the same as those of the first embodiment, and are not described herein. After the video stream forwarding module and the camera power supply and communication module finish power-on, the camera power supply and communication module is used for receiving image signals collected by the corresponding camera modules and converting the image signals into video stream signals so as to send the video stream signals to the video stream forwarding modules corresponding to the camera modules according to signal sources.

Fifth embodiment:

Referring to fig. 5, the application further provides an application method of the quick mapping system, which is applied to the quick mapping system, and the application method comprises the following steps:

Each transmission link at least comprises a camera power supply and communication module or shares one camera power supply and communication module; and each transmission link at least comprises a video stream forwarding module or shares a video stream forwarding module.

It can be seen that the transmission link comprises 4 combinations.

Combining: each transmission link at least comprises a camera power supply and communication module, and each transmission link shares a video stream forwarding module.

And (2) combining two: each transmission link at least comprises a video stream forwarding module, and each transmission link shares a camera power supply and communication module.

And (3) combining three: and each transmission link shares a video stream forwarding module and a camera power supply and communication module.

Combination four: each transmission link at least comprises a video stream forwarding module and a camera power supply and communication module.

Further, the sending the image signal to a display module for display through a corresponding transmission link includes:

When the transmission link is a combination, each camera power supply and communication module receives image signals collected by the corresponding camera module and converts the image signals into video stream signals so as to send the video stream signals to the video stream forwarding module.

When the transmission link is a combination II, the camera power supply and communication module receives image signals collected by all the camera modules and converts the image signals into video stream signals so as to send the video stream signals to the video stream forwarding modules corresponding to the camera modules according to signal sources.

When the transmission link is the combination III, the camera power supply and communication module receives image signals collected by all the camera modules and converts the image signals into video stream signals so as to send the video stream signals to the video stream forwarding module.

When the transmission link is in a four-in-one combination mode, the camera power supply and communication module receives image signals collected by the corresponding camera modules and converts the image signals into video stream signals so as to send the video stream signals to the video stream forwarding modules corresponding to the camera modules according to signal sources.

Further, the video stream signal is sent to a display module through the video stream forwarding module, so that the video stream signal is displayed in a preset display form through the display module according to user interaction operation; the preset display form at least comprises split screen display, switching display or linkage display.

In summary, the present application provides a rapid mapping system and an application method thereof; the rapid plotting system comprises an MCU module, a display module and a plurality of camera modules, wherein each camera module is provided with a corresponding transmission link; the MCU module is used for controlling the transmission link and the camera module to finish power-on and initialization after the initialization is finished; the camera module is used for collecting image signals in real time after initialization is completed, and sending the image signals to the display module for display through a corresponding transmission link. The MCU module is used for configuring the camera module and the related links, and the related initialization process can be completed in a very short time, so that the time for displaying the image signals acquired by the camera module by the display module is greatly shortened, waiting of a driver is avoided, and driving experience is improved; and even if the SOC module is abnormal, the image signals of each path of camera module can be ensured to be normally output to the display module.

Although the illustrative embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above illustrative embodiments are merely exemplary and are not intended to limit the scope of the present application thereto. Various changes and modifications may be made therein by one of ordinary skill in the art without departing from the scope and spirit of the application. All such changes and modifications are intended to be included within the scope of the present application as set forth in the appended claims.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, e.g., the division of the elements is merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple elements or components may be combined or integrated into another device, or some features may be omitted or not performed.

Various component embodiments of the application may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that some or all of the functions of some of the modules according to embodiments of the present application may be implemented in practice using a microprocessor or Digital Signal Processor (DSP). The present application can also be implemented as an apparatus program (e.g., a computer program and a computer program product) for performing a portion or all of the methods described herein. Such a program embodying the present application may be stored on a computer readable medium, or may have the form of one or more signals. Such signals may be downloaded from an internet website, provided on a carrier signal, or provided in any other form.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the application has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.

Claims

1. The quick graphic system is characterized by at least comprising an MCU module, a display module, a plurality of camera modules and transmission links respectively corresponding to the camera modules;

The MCU module is used for controlling the transmission link and the camera module to finish power-on and initialization after the initialization is finished;

2. The rapid prototyping system of claim 1 wherein each of the transmission links comprises at least one camera power and communication module or shares one camera power and communication module;

and each transmission link at least comprises a video stream forwarding module or shares a video stream forwarding module.

3. The rapid prototyping system of claim 1 further comprising an external battery, an MCU power module, a camera power module, and at least one power switch module.

4. A rapid prototyping system according to claim 3, wherein one end of the MCU power module is connected to an external battery and the other end is connected to the MCU module;

5. The rapid prototyping system of claim 4 wherein the camera power module has one end connected to the external battery and the MCU module and the other end connected to the power switch module.

6. The rapid prototyping system of claims 2 and 5 wherein the MCU module is further configured to control the camera power module to complete initialization to turn on the power switch module such that the video stream forwarding module and the camera power and communication module complete power up.

7. The rapid prototyping system of claim 6 wherein the camera power and communication module is configured to receive the image signals collected by the camera module and convert the image signals to video stream signals for transmission to a video stream forwarding module.

8. The rapid prototyping system of claim 7 wherein the video stream forwarding module is configured to send the video stream signal to a display module for displaying the video stream signal in a preset display form according to a user interaction by the display module; the preset display form at least comprises split screen display, switching display or linkage display.

9. A method of application of a rapid prototyping system according to any one of claims 1-8, characterized in that it comprises the steps of:

responding to an initialization completion signal of the MCU module, and controlling each camera module and a corresponding transmission link thereof to complete power-on and initialization through the MCU module;

10. The application method according to claim 9, wherein each of the transmission links comprises at least a camera power and communication module or shares a camera power and communication module; each transmission link at least comprises a video stream forwarding module or shares a video stream forwarding module;

the sending the image signal to a display module for display through a corresponding transmission link includes:

the camera power supply and communication module converts the image signal into a video stream signal and sends the video stream signal to a video stream forwarding module;